TODAY NOV22
TEMPERATURE36
HUMIDITY64
PRESSURE100240
WIND COND.270 13
  • 4137Fri70%40%
  • 5240Sat
  • 5435Sun
  • 6047Mon
  • 5733Tue40%
daynightWeather update from Frederick Municipal Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Frederick for July is 72.6 degrees
  • The lowest monthly average temperature in Frederick for February is 28.9 degrees
  • The most monthly precipitation in Frederick occurs in June with 5.8 inches
  • The air quality index in Frederick is 5% better than the national average
  • The pollution index in Frederick is 104% worse than the national average

Compare Frederick, MD Weather

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      Frederick Average Temperature

      In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.
      MonthTemp. (min)Temp. (max)Temp. (avg)Precipitation
      January23°F36°F29°F4.0"
      February23°F36°F29°F3.7"
      March33°F50°F40°F5.2"
      April44°F63°F52°F4.8"
      May54°F70°F61°F5.1"
      June61°F77°F68°F5.8"
      July66°F81°F73°F4.0"
      August64°F79°F71°F4.3"
      September56°F70°F62°F4.4"
      October48°F62°F55°F5.6"
      November37°F51°F43°F3.8"
      December29°F41°F35°F5.0"

      Frederick air quality index & pollution index

      In the event that the air quality/pollution data was unavailable for this city, estimates based upon nearby cities were used.
      IndexFrederickMarylandNational
      Air quality index404342
      Pollution index5,553,8705,342,3672,726,193

      Frederick air quality

      MeasurementTotal
      Days measured362
      Days with good air quality306
      Days with moderate air quality54
      Days w/ poor A.Q. for sensitive groups2
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.004%
      Benzene0.070%
      Carbon Tetrachloride0.010%
      Lead0.410%
      Mercury0.070%

      Average monthly Frederick temperature with heat index

      Frederick monthly precipitation with daily maximum

      Frederick monthly snow depth with daily maximum

      Frederick monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Ballenger Creek, MD21,4844020.0%
      Buckeystown, MD1,2894020.0%
      Monrovia, MD1,5564020.0%
      Rosemont, MD3254020.0%
      Brownsville, MD264020.0%
      Frederick, MD71,8434020.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Decatur, IL71,8574412.0%
      Lauderhill, FL71,8274118.0%
      Pawtucket, RI71,8214412.0%
      Pittsburg, CA71,7234020.0%
      Redlands, CA71,6808978.0%
      Frederick, MD71,8434020.0%
      Source: The Frederick, MD weather data displayed above is derived from the NOAA (National Oceanic and Atmospheric). Air quality and pollution data is derived from the EPA (United States Environmental Protection Agency). Air quality and pollution levels measured in a particular area may not be representative of the entire county.